• Today

    Feb 27

    14°Lo -7°

    Sunny and frigid

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sat

    Feb 28

    19°Lo 12°

    Mostly sunny and very cold

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      6%
    • Hours of Precip
      5
  • Sun

    Mar 1

    28°Lo 9°

    Cold with periods of snow

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      65%
    • Hours of Precip
      4
    more
  • Mon

    Mar 2

    27°Lo 22°

    Mostly sunny and cold

    Watch for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      14%
    • Hours of Precip
      3
    more
  • Tue

    Mar 3

    38°Lo 17°

    Ice changing to rain

    Advisory for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      77%
    • Hours of Precip
      5.5
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Sunny
Mostly Sunny
Partly Sunny
Partly Cloudy
Cloudy
Snow
Cloudy
Snow
Temp (°F) 19° 19° 18° 16° 14° 12° 13° 13°
RealFeel® 15° 12° 11°
Humidity 50% 51% 53% 57% 62% 67% 68% 70%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
68%
 
49%
 
68%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 8 S 9 S 8 SSE 7 SSE 7 SSE 7 SSE 7 SSE 7 SSE
UV Index 3 2 1 0 0 0 0 0
Cloud Cover 0% 10% 35% 66% 90% 98% 95% 95%
Dew Point
Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Feb 28

more Historical Weather Data >
  Today Normal Record 2/28/2014
High 19° 36° N/A 24°
Low 12° 17° N/A -13°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 11:11 of sunlight, then sets at 5:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:21 PM with 14:35 of moolight, then sets at 3:56 AM

Crystal Lake Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

February 27, 2015; 6:24 AM ET

The Chicago area will continue to endure a cold air into late in the weekend as the next round of snow could hit the region on Sunday. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sat. Hair Frizz

Sat. Wind Maps

Sat. UV Index